update toxcore, toxav fixes merged

Merge commit 'cae0ab9c5c75eda665d21dc36cfeef48c1e04b53'

external/toxcore/c-toxcore/toxav/bwcontroller.c

@@ -10,12 +10,16 @@
 #include <string.h>
 
 #include "ring_buffer.h"
+#include "toxav_hacks.h"
 
 #include "../toxcore/ccompat.h"
 #include "../toxcore/logger.h"
 #include "../toxcore/mono_time.h"
+#include "../toxcore/network.h"
+#include "../toxcore/tox_private.h"
 #include "../toxcore/util.h"
 
+
 #define BWC_PACKET_ID 196
 #define BWC_SEND_INTERVAL_MS 950     // 0.95s
 #define BWC_AVG_PKT_COUNT 20
@@ -38,9 +42,8 @@ typedef struct BWCRcvPkt {
 struct BWController {
     m_cb *mcb;
     void *mcb_user_data;
-
-    Messenger *m;
     Tox *tox;
+    const Logger *log;
     uint32_t friend_number;
 
     BWCCycle cycle;
@@ -49,6 +52,7 @@ struct BWController {
 
     uint32_t packet_loss_counted_cycles;
     Mono_Time *bwc_mono_time;
+    bool bwc_receive_active; /* if this is set to false then incoming bwc packets will not be processed by bwc_handle_data() */
 };
 
 struct BWCMessage {
@@ -56,11 +60,11 @@ struct BWCMessage {
     uint32_t recv;
 };
 
-static int bwc_handle_data(Messenger *m, uint32_t friend_number, const uint8_t *data, uint16_t length, void *object);
-static int bwc_send_custom_lossy_packet(Tox *tox, int32_t friendnumber, const uint8_t *data, uint32_t length);
+static void bwc_handle_data(Tox *tox, uint32_t friend_number, const uint8_t *data, size_t length, void *user_data);
 static void send_update(BWController *bwc);
 
-BWController *bwc_new(Messenger *m, Tox *tox, uint32_t friendnumber, m_cb *mcb, void *mcb_user_data,
+
+BWController *bwc_new(const Logger *log, Tox *tox, uint32_t friendnumber, m_cb *mcb, void *mcb_user_data,
                       Mono_Time *bwc_mono_time)
 {
     BWController *retu = (BWController *)calloc(1, sizeof(BWController));
@@ -69,16 +73,18 @@ BWController *bwc_new(Messenger *m, Tox *tox, uint32_t friendnumber, m_cb *mcb,
         return nullptr;
     }
 
-    LOGGER_DEBUG(m->log, "Creating bandwidth controller");
+    LOGGER_DEBUG(log, "Creating bandwidth controller");
+
     retu->mcb = mcb;
     retu->mcb_user_data = mcb_user_data;
-    retu->m = m;
     retu->friend_number = friendnumber;
     retu->bwc_mono_time = bwc_mono_time;
     const uint64_t now = current_time_monotonic(bwc_mono_time);
     retu->cycle.last_sent_timestamp = now;
     retu->cycle.last_refresh_timestamp = now;
     retu->tox = tox;
+    retu->log = log;
+    retu->bwc_receive_active = true;
     retu->rcvpkt.rb = rb_new(BWC_AVG_PKT_COUNT);
     retu->cycle.lost = 0;
     retu->cycle.recv = 0;
@@ -89,7 +95,6 @@ BWController *bwc_new(Messenger *m, Tox *tox, uint32_t friendnumber, m_cb *mcb,
         rb_write(retu->rcvpkt.rb, &retu->rcvpkt.packet_length_array[i]);
     }
 
-    m_callback_rtp_packet(m, friendnumber, BWC_PACKET_ID, bwc_handle_data, retu);
     return retu;
 }
 
@@ -99,7 +104,6 @@ void bwc_kill(BWController *bwc)
         return;
     }
 
-    m_callback_rtp_packet(bwc->m, bwc->friend_number, BWC_PACKET_ID, nullptr, nullptr);
     rb_kill(bwc->rcvpkt.rb);
     free(bwc);
 }
@@ -111,7 +115,7 @@ void bwc_add_lost(BWController *bwc, uint32_t bytes_lost)
     }
 
     if (bytes_lost > 0) {
-        LOGGER_DEBUG(bwc->m->log, "BWC lost(1): %d", (int)bytes_lost);
+        LOGGER_DEBUG(bwc->log, "BWC lost(1): %d", (int)bytes_lost);
         bwc->cycle.lost += bytes_lost;
         send_update(bwc);
     }
@@ -135,7 +139,7 @@ static void send_update(BWController *bwc)
         bwc->packet_loss_counted_cycles = 0;
 
         if (bwc->cycle.lost != 0) {
-            LOGGER_DEBUG(bwc->m->log, "%p Sent update rcv: %u lost: %u percent: %f %%",
+            LOGGER_DEBUG(bwc->log, "%p Sent update rcv: %u lost: %u percent: %f %%",
                          (void *)bwc, bwc->cycle.recv, bwc->cycle.lost,
                          ((double)bwc->cycle.lost / (bwc->cycle.recv + bwc->cycle.lost)) * 100.0);
             uint8_t bwc_packet[sizeof(struct BWCMessage) + 1];
@@ -148,13 +152,11 @@ static void send_update(BWController *bwc)
             offset += net_pack_u32(bwc_packet + offset, bwc->cycle.recv);
             assert(offset == sizeof(bwc_packet));
 
-            if (bwc_send_custom_lossy_packet(bwc->tox, bwc->friend_number, bwc_packet, sizeof(bwc_packet)) == -1) {
-                char *netstrerror = net_new_strerror(net_error());
-                char *stdstrerror = net_new_strerror(errno);
-                LOGGER_WARNING(bwc->m->log, "BWC send failed (len: %u)! std error: %s, net error %s",
-                               (unsigned)sizeof(bwc_packet), stdstrerror, netstrerror);
-                net_kill_strerror(stdstrerror);
-                net_kill_strerror(netstrerror);
+            Tox_Err_Friend_Custom_Packet error;
+            tox_friend_send_lossy_packet(bwc->tox, bwc->friend_number, bwc_packet, sizeof(bwc_packet), &error);
+
+            if (error != TOX_ERR_FRIEND_CUSTOM_PACKET_OK) {
+                LOGGER_WARNING(bwc->log, "BWC send failed: %d", error);
             }
         }
 
@@ -166,11 +168,11 @@ static void send_update(BWController *bwc)
 
 static int on_update(BWController *bwc, const struct BWCMessage *msg)
 {
-    LOGGER_DEBUG(bwc->m->log, "%p Got update from peer", (void *)bwc);
+    LOGGER_DEBUG(bwc->log, "%p Got update from peer", (void *)bwc);
 
     /* Peers sent update too soon */
     if (bwc->cycle.last_recv_timestamp + BWC_SEND_INTERVAL_MS > current_time_monotonic(bwc->bwc_mono_time)) {
-        LOGGER_INFO(bwc->m->log, "%p Rejecting extra update", (void *)bwc);
+        LOGGER_INFO(bwc->log, "%p Rejecting extra update", (void *)bwc);
         return -1;
     }
 
@@ -180,8 +182,8 @@ static int on_update(BWController *bwc, const struct BWCMessage *msg)
 
     if (lost != 0 && bwc->mcb != nullptr) {
         const uint32_t recv = msg->recv;
-        LOGGER_DEBUG(bwc->m->log, "recved: %u lost: %u percentage: %f %%", recv, lost,
-                     ((double)lost / (recv + lost)) * 100.0);
+        LOGGER_DEBUG(bwc->log, "recved: %u lost: %u percentage: %f %%", recv, lost,
+                     ((double) lost / (recv + lost)) * 100.0);
         bwc->mcb(bwc, bwc->friend_number,
                  (float)lost / (recv + lost),
                  bwc->mcb_user_data);
@@ -190,28 +192,41 @@ static int on_update(BWController *bwc, const struct BWCMessage *msg)
     return 0;
 }
 
-/*
- * return -1 on failure, 0 on success
- *
- */
-static int bwc_send_custom_lossy_packet(Tox *tox, int32_t friendnumber, const uint8_t *data, uint32_t length)
+static void bwc_handle_data(Tox *tox, uint32_t friend_number, const uint8_t *data, size_t length, void *user_data)
 {
-    Tox_Err_Friend_Custom_Packet error;
-    tox_friend_send_lossy_packet(tox, friendnumber, data, (size_t)length, &error);
+    /* get BWController object from Tox and friend number */
+    ToxAV *toxav = (ToxAV *)tox_get_av_object(tox);
 
-    if (error == TOX_ERR_FRIEND_CUSTOM_PACKET_OK) {
-        return 0;
+    if (toxav == nullptr) {
+        // LOGGER_ERROR(log, "Could not get ToxAV object from Tox");
+        return;
     }
 
-    return -1;
-}
-
-static int bwc_handle_data(Messenger *m, uint32_t friend_number, const uint8_t *data, uint16_t length, void *object)
-{
-    BWController *bwc = (BWController *)object;
+    const Logger *log = toxav_get_logger(toxav);
 
     if (length - 1 != sizeof(struct BWCMessage)) {
-        return -1;
+        LOGGER_ERROR(log, "Got BWCMessage of insufficient size.");
+        return;
+    }
+
+    const ToxAVCall *call = call_get(toxav, friend_number);
+
+    if (call == nullptr) {
+        LOGGER_ERROR(log, "Could not get ToxAVCall object from ToxAV.");
+        return;
+    }
+
+    /* get Call object from Tox and friend number */
+    BWController *bwc = bwc_controller_get(call);
+
+    if (bwc == nullptr) {
+        LOGGER_WARNING(log, "No session!");
+        return;
+    }
+
+    if (!bwc->bwc_receive_active) {
+        LOGGER_WARNING(log, "receiving not allowed!");
+        return;
     }
 
     size_t offset = 1;  // Ignore packet id.
@@ -220,5 +235,15 @@ static int bwc_handle_data(Messenger *m, uint32_t friend_number, const uint8_t *
     offset += net_unpack_u32(data + offset, &msg.recv);
     assert(offset == length);
 
-    return on_update(bwc, &msg);
+    on_update(bwc, &msg);
+}
+
+void bwc_allow_receiving(Tox *tox)
+{
+    tox_callback_friend_lossy_packet_per_pktid(tox, bwc_handle_data, BWC_PACKET_ID);
+}
+
+void bwc_stop_receiving(Tox *tox)
+{
+    tox_callback_friend_lossy_packet_per_pktid(tox, nullptr, BWC_PACKET_ID);
 }